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A copper voltameter and water voltameter...

A copper voltameter and water voltameter are connected in series. How much oxygen will be liberated in water voltameter when 0.5 g of copper is deposited in copper voltameter. Chemical equivalent of copper and oxygen are 32 and 8 respectively.

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A copper and a silver voltameter are connected are connected in series .How much sliver will be depsoited in the sliver volameter when 0.5 g of copper is depsited in the copper voltameter .Chmical equivalents o fcopper and silver are 32 and 108 respectively .

A current passes throgugh a copper voltameter and water voltameter I series. How much hydrogen at 27^(@)C and pressure of 100cm of mercury wil be liberated during the time it takes for 17.5g of copper to be deposited? (Atomic weight of copper=63 and density of hydrogen at S.T.P.= 0.09 kg m^(-3) .

Knowledge Check

  • The current inside a copper voltameter

    A
    Is half the outside value
    B
    Is the same as the outside value
    C
    Is twice the outside value
    D
    Depends on the concentration of `CuSO_(4)`

  • When 0.5 amp of current was passed for 200 seconds, 0.34 gm of copper was deposited , the electrochemical equivalent of copper will be

    A
    34
    B
    3.4
    C
    0.034
    D
    0.0034

  • Two voltameters, one of copper and another of silver, are joined in parallel. When a total charge q flows through the voltameters, equal amount of metals are deposited. If the electrochemical equivalents of copper and silver are Z_1 and Z_2 respectively the charge which flows through the silver voltameter is

    A
    `q/(1+ Z_2/Z_1)`
    B
    `q/(1+Z_1/Z_2)`
    C
    `q(Z_2/Z_1)`
    D
    `q(Z_1/Z_2)`

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